what happens when the profibus fails while in operation (operation of a valve)?

5 Answers   L&T,

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What is solenoid valve? Where it is used?

0 Answers  

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Explain types of valves?

0 Answers  

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why we use casced loop

6 Answers  

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how level can be measured in open tank with reference to pressure

1 Answers   Atul, INOX,

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what is Analog input/output & Digital input/output,

2 Answers   Bapco Bahrain Petroleum Company,

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what is modbus?and why use it?what benifit

2 Answers  

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uses of profibus?

1 Answers  

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what is the difference between hub and switch?

6 Answers  

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why we use cascade control and feed foreword control in 3 element control of boiler drum ?what is feed forward and cascade control system ?

0 Answers   Visa Steel,

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why we use negative 24vdc to a proximeter

4 Answers   KNPC,

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i have level transmitter -400 to 0 range for steam drum application but i am unable to calibrate if installation of lt below lower tap what will be the effect ? and as per std wht is location of lt ,above lower tapping or below

1 Answers  

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